id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
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# print.default: Default Printing
## Description
` print.default ` is the _default_ method o... | |
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# expand.grid: Create a Data Frame from All Combinations of Factor Variables
## Description
... | |
R_base_all/weighted-average-excel4_220_0.txt | 47. 4th grade teacher says:
September 29, 2012 at 1:40 am | |
R_base_all/weighted-average-excel4_205_0.txt | Thank you so much for this. It was extremely helpful and just what I needed
today to calculate the weighted average of some data.
Reply | |
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# copyright: Copyrights of Files Used to Build R
## Description
R is released under the ‘GN... | |
R_base_all/weighted-average-excel4_239_0.txt | 3
378
LA Omelette
1
15.0%
$6.20
4
OMEL
East Coast Omelettes
2
30.0%
$X.XX | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_192_0.txt | Split or substitute strings with wildcards in R
1 | |
R_base_all/index.html6_9_0.txt |
rand_unifs_10 <- runif(n = 10, min = 0, max = 1);
The above code stores a vector of ten numbers ` rand_unifs_10 ` , shown below.
Note that the numbers will be different each time we re-run the ` runif `
function above. | |
R_base_all/R_base_all_327_1.txt | ckManager()
# add a callback
h$add(function(expr, value, ok, visible) {
cat("In handler\n")
return(TRUE)
}, name = "simpleHandler")
# look at the internal callbacks.
getTaskCallbackNames()
# look at the R-l... | |
R_base_all/weighted-average-excel4_324_0.txt | Looking for a running total in Excel with weights.
Assigned and Completed [weight*score]: .4*100 + .2*80 + .1*90
Not Assigned Yet [weight]: .3 | |
R_base_all/80542_7_0.txt | I'm not going to mark as solved, as it doesn't answer my more general question
as to whether there is a reliable vectorized solution.
Tazinho May 4, 2018, 1:24pm 3 | |
R_base_all/1188876_6_0.txt | Maybe someone else has a nice tidyverse solution?
1 Like | |
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# withVisible: Return both a Value and its Visibility
## Description
This function evaluates... | |
R_base_all/getting-started-simulating-data8_72_0.txt | Note you can’t use ` length.out ` and ` times ` together (if you try, `
length.out ` will be given priority and ` times ` ignored).
# Creating datasets with quantiative and categorical variables | |
R_base_all/R_base_all_76_1.txt | ariables are converted to factor columns unless protected by ` [ I
](/link/I?package=base&version=3.6.2) ` .
If a data frame is supplied, all classes preceding ` "data.frame" ` are
stripped, and the row names are changed if that argument is supplied.
If ` row.names = NULL ` , row names are constructed from the names ... | |
R_base_all/R_base_all_348_1.txt |
assumed to match. Lines (elements 1, 3) and parsed lines (elements 7, 8) may
differ if a ` #line ` directive is used in code: the former will respect the
directive, the latter will just count lines. If only 4 or 6 elements are
given, the parsed lines will be assumed to match the lines.
Methods are defined for ` print... | |
R_base_all/ts_moving_averages6_1_0.txt | ### UC Business Analytics R Programming Guide
↩ | |
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# eigen: Spectral Decomposition of a Matrix
## Description
Computes eigenvalues and eigenvec... | |
R_base_all/weighted-average-excel4_144_0.txt | Student Score Top Ten Overall Scores
Student ID Exam 1 Exam 2 Exam 3 Final Exam Overall
390-120-2 100.0 83.0 79.0 72.0
390-267-4 84.0 91.0 94.0 80.0
390-299-8 55.0 56.0 47.0 65.0
390-354-3 95.0 91.0 93.0 94.0
390-423-5 83.0 82.0 76.0 77.0
390-433-8 52.0 66.0 61.0 53.0
390-452-0 85.0 94.0 94.0 91.0
390... | |
R_base_all/getting-started-simulating-data8_50_0.txt | Let’s do the same thing for a Poisson distribution with a mean of 100. The
range of values is pretty narrow; there are no values even remotely close to
0.
y = rpois(100, lambda = 100)
summary(y)
Min. 1st Qu. Median Mean 3rd Qu. Max.
76.00 94.75 102.00 101.31 108.00... | |
R_base_all/weighted-average-excel4_70_0.txt | 7. Daniel Ferry says:
June 15, 2010 at 2:10 pm | |
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# grepRaw: Pattern Matching for Raw Vectors
## Description
` grepRaw ` searches for substrin... | |
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# cbind: Combine R Objects by Rows or Columns
## Description
Take a sequence of vector, matr... | |
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# format: Encode in a Common Format
## Description
Format an R object for pretty printing.... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_150_0.txt | 909 2 2 gold badges 10 10 silver badges 22 22 bronze badges
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R_base_all/weighted-average-excel4_221_0.txt | I am working on a spreadsheet that I input scores from a test. Some questions
are 1 point and others are .5 points. My problem is that when I go to average
these cells the percentage is off. I get 68.2% when the scores needs to be
81.25%. So the test is out of 8 points total and there is 6 problems that are
1 point and... | |
R_base_all/weighted-average-excel4_290_0.txt | I have a spreadsheet with over 200,000 rows with assets totaling over $2.5
billion. Each row has about 120 columns with different stats for each loan.
One of the columns is "asset amount" ($) and the other is "yield" (%).
I am using SUMIFS to filter the assets based on certain criteria (about 20
unique items), which g... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_23_0.txt | and use ` split() ` on the column " ` type ` " from above to get something
like this:
attr type_1 type_2
1 1 foo bar
2 30 foo bar_2
3 4 foo bar
4 6 foo bar_2
| |
R_base_all/weighted-average-excel4_340_0.txt | Reply
* Hui... says: | |
R_base_all/Simulation.html9_8_0.txt |
sample(LETTERS)
## [1] "F" "A" "H" "J" "O" "Q" "V" "N" "U" "L" "S" "E" "G" "Y" "K" "P" "T"
## [18] "W" "M" "C" "B" "R" "Z" "I" "X" "D"
This is identical to taking a sample of size 26 from LETTERS, without
replacement. When the ‘size’ argument to sample() is not specified, R takes a
sam... | |
R_base_all/weighted-average-excel4_4_0.txt | Close this search box.
* Learn Excel | |
R_base_all/R_base_all_353_1.txt | .com/)
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R_base_all/weighted-average-excel4_36_0.txt | Thank you so much for visiting. My aim is to make you awesome in Excel &
Power BI. I do this by sharing videos, tips, examples and downloads on this
website. There are more than 1,000 pages with all things Excel, Power BI,
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# data.frame: Data Frames
## Description
The function ` data.frame() ` creates data frames, ... | |
R_base_all/weighted-average-excel4_142_0.txt | Reply
33. jess says: | |
R_base_all/R_base_all_198_3.txt | ncoding names are recognized on your platform. Additionally, `
"" ` and ` "native.enc" ` both mean the ‘native’ encoding, that is the
internal encoding of the current locale and hence no translation is done.
When writing to a text connection, the connections code always assumes its
input is in native encoding, so e.g.... | |
R_base_all/weighted-average-excel4_314_0.txt | May 20, 2015 at 8:34 pm
How would you calculate the WEIGHTED MEDIAN of a data set that is presented as
values and frequencies. The values are 1 to 5 of a likert scale. | |
R_base_all/weighted-average-excel4_172_0.txt | April 30, 2012 at 1:40 pm
COLOR DIFF :
CLARITY DIFF:
CUT DIFF:
POLISH DIFF:
SYM DIFF: | |
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# zapsmall: Rounding of Numbers: Zapping Small Ones to Zero
## Description
` zapsmall ` dete... | |
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# c: Combine Values into a Vector or List
## Description
This is a generic function which co... | |
R_base_all/weighted-average-excel4_323_0.txt | 69. sb says:
December 26, 2015 at 6:32 am | |
R_base_all/weighted-average-excel4_236_0.txt | 50. Head Scratcher says:
March 20, 2013 at 5:23 am | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_126_0.txt | Gavin Simpson Gavin Simpson
173k 25 25 gold badges 402 402 silver badges 456 456 bronze badges | |
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# chol2inv: Inverse from Choleski (or QR) Decomposition
## Description
Invert a symmetric, p... | |
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# is.unsorted: Test if an Object is Not Sorted
## Description
Test if an object is not sorte... | |
R_base_all/pandas.Series.str.split.html8_6_0.txt | Series.str. split ( pat = None , * , n = -1 , expand = False ,
regex = None ) [source] #
| |
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# data.class: Object Classes
## Description
Determine the class of an arbitrary R object.
... | |
R_base_all/index.html6_52_0.txt |
# First making species 2
mns_2 <- c(159.54, 245.26, 25.52 + 3); # Add a bit
sim_data_2 <- mvrnorm(n = N, mu = mns, Sigma = cv_mat);
colnames(sim_data_2) <- c("Length", "Width", "Mass");
species <- rep(x = "species_2", times = 20); # Repeats 20 times
offspring <- rpois(n = ... | |
R_base_all/weighted-average-excel4_297_0.txt | For exemple:
I have 500 tasks, divided in 5 categories. But the time spent is always
diferent (5m, 4m59, 5m05, 4m48, etc.), so I'm not able to group them in
quantities for each category.
Can anyone help me? | |
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# ns-reflect.Rd: Namespace Reflection Support
## Description
Internal functions to support r... | |
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# round.POSIXt: Round / Truncate Data-Time Objects
## Description
Round or truncate date-tim... | |
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# match.call: Argument Matching
## Description
` match.call ` returns a call in which all of... | |
R_base_all/getting-started-simulating-data8_99_0.txt | We want to repeatedly simulate data that involves random number generation, so
that sounds like a useful tool.
The ` replicate() ` function takes three arguments: | |
R_base_all/R_base_all_114_3.txt | ny Unicode newline
character (not just CR), and \X matches any number of Unicode characters
that form an extended Unicode sequence.
In UTF-8 mode, some Unicode properties may be supported via \p{xx} and
\P{xx} which match characters with and without property xx respectively.
For a list of supported properties s... | |
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# dimnames: Dimnames of an Object
## Description
Retrieve or set the dimnames of an object.
... | |
R_base_all/weighted-average-excel4_266_0.txt | Reply
56. NM says: | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_210_0.txt | lang-r
##### Stack Overflow | |
R_base_all/1188876_0_0.txt | Posit Community
# Separate specific values in string vectors across various columns | |
R_base_all/weighted-average-excel4_143_0.txt | November 14, 2011 at 2:11 am
In the First Semester Scores worksheet, in cell F17, enter a formula to
calculate the weighted average of the first student’s four exams. The formula
in cell F17 should use absolute references to the weights found in the range
C8:C11, matching each weight with the corresponding exam score.... | |
R_base_all/weighted-average-excel4_8_0.txt | LinkedIn
Today we will learn how to calculate weighted average in Excel with
percentages. | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_36_0.txt | 8
* 4 | |
R_base_all/simulation.html8_6_0.txt |
dnorm(x, mean = 0, sd = 1, log = FALSE)
pnorm(q, mean = 0, sd = 1, lower.tail = TRUE, log.p = FALSE)
qnorm(p, mean = 0, sd = 1, lower.tail = TRUE, log.p = FALSE)
rnorm(n, mean = 0, sd = 1)
Here we simulate standard Normal random numbers with mean 0 and standard
deviation 1. | |
R_base_all/weighted-average-excel4_107_0.txt | Thanks Hui.
Reply | |
R_base_all/1358206-date-manipulation-volume-weighted-average1_16_0.txt | Then, if anyone has time, I might need an advice with regards to how I could
properly calculate the volume weighted average across the days before the
rating_date and after the rating_date (this to calculate the impact of a
rating change on the price of a bond).
Thank you very much for you time,
Pierre Louvea... | |
R_base_all/getting-started-simulating-data8_52_0.txt | An alternative to the Poisson distribution for discrete integers is the
negative binomial distribution. Packages MASS has a function called `
rnegbin() ` for random number generation from the negative binomial
distribution.
# Generate character vectors with rep() | |
R_base_all/weighted-average-excel4_347_0.txt | @KVM
You may be best to ask this question in the Chandoo.org Forums
http://chandoo.org/forum/ | |
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R_base_all/pandas.Series.str.split.html8_17_0.txt | * If ` None ` and pat length is 1, treats pat as a literal string.
* If ` None ` and pat length is not 1, treats pat as a regular expression. | |
R_base_all/simulation.html8_31_0.txt | ## 20.5 Summary
* Drawing samples from specific probability distributions can be done with “r” functions
* Standard distributions are built in: Normal, Poisson, Binomial, Exponential, Gamma, etc.
* The ` sample() ` function can be used to draw random samples from arbitrary vectors
* Setting the random num... | |
R_base_all/pandas.Series.str.split.html8_49_0.txt | pandas.Series.str.rsplit
On this page | |
R_base_all/R_base_all_347_1.txt | after possible coercion to character). Elements of
character vectors ` x ` which are not substituted will be returned unchanged
(including any declared encoding). If ` useBytes = FALSE ` a non-ASCII
substituted result will often be in UTF-8 with a marked encoding (e.g., if
there is a UTF-8 input, and in a multibyte loc... | |
R_base_all/weighted-average-excel4_111_0.txt | May some one help me, pls.
Regards
Raju | |
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# Round: Rounding of Numbers
## Description
` ceiling ` takes a single numeric argument ` x ... | |
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# builtins: Returns the Names of All Built-in Objects
## Description
Return the names of all... | |
R_base_all/weighted-average-excel4_193_0.txt | 43. ouz says:
August 1, 2012 at 12:46 pm | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_171_0.txt | 22.9k 8 8 gold badges 65 65 silver badges 102 102 bronze badges
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R_base_all/split-data-frame-string-column-into-multiple-columns0_55_0.txt | * @hadley How about if I want to split based on second ` _ ` ? I want the values as ` foo_and ` , ` bar ` / ` bar_2 ` ?
– Prradep | |
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# Random.user: User-supplied Random Number Generation
## Description
Function ` [ RNGkind ](... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_31_0.txt | Sorted by: Reset to default
Highest score (default) Trending (recent votes count more) Date modified
(newest first) Date created (oldest first) | |
R_base_all/weighted-average-excel4_216_0.txt | @Jeff
The formula should be entered normally not as an Array Formula | |
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# data.matrix: Convert a Data Frame to a Numeric Matrix
## Description
Return the matrix obt... | |
R_base_all/weighted-average-excel4_150_0.txt | I have to compute weighted average for students exam scores. Let's say there
are 5 exams.
But some of the students have only 3 or 4 exam scores... How can I do that?
Reply | |
R_base_all/getting-started-simulating-data8_113_0.txt |
simlist[[1]]
group response
1 a -0.3141739
2 a -0.1826816
3 a 1.4704785
4 b -0.8658988
5 b 1.5274670
6 b 1.0541781
# What’s the next step? | |
R_base_all/getting-started-simulating-data8_89_0.txt | To get the groups in the correct order we need to use ` times ` or `
length.out ` in ` rep() ` . With ` length.out ` we define the output length of
the vector, which is 6. Alternatively we could use ` times = 3 ` to repeat the
whole vector 3 times.
group = rep(letters[1:2], length.out = 6)
group
... | |
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# match.arg: Argument Verification Using Partial Matching
## Description
` match.arg ` match... | |
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# interaction: Compute Factor Interactions
## Description
` interaction ` computes a factor ... | |
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# subset: Subsetting Vectors, Matrices and Data Frames
## Description
Return subsets of vect... | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_175_0.txt | OUTPUT
attr type type2 1 2
1 1 foo_and_bar c('foo', 'bar') foo bar
2 30 foo_and_bar_2 c('foo', 'bar_2') foo bar_2
3 4 foo_and_bar c('foo', 'bar') foo bar
4 6 foo_and_bar_2 c('foo', 'bar_2') foo bar_2
| |
R_base_all/pandas.Series.str.split.html8_47_0.txt |
>>> s.str.split(r"\.jpg", regex=False, expand=True)
0
0 foojpgbar.jpg
previous | |
R_base_all/R_base_all_316_1.txt | ers[1:5], 10, replace = TRUE))
for(i in unique(f)) print(i)
# }
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R_base_all/R_base_all_276_0.txt | [ RDocumentation ](/)
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[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# gctorture: Torture Garbage Collector
## Description
Provokes garbage collection on (nearly... | |
R_base_all/index.html6_38_0.txt |
install.packages("MASS");
library("MASS");
In the MASS library, the function ` mvrnorm ` can be used to generate any
number of variables for a pre-specified covariance structure. | |
R_base_all/getting-started-simulating-data8_2_0.txt | * Email
* Twitter
* GitHub
* Stack Overflow
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* R-bloggers
# Getting started simulating data in R: some helpful functions and how to use
them | |
R_base_all/R_base_all_231_3.txt | integer indices are truncated:
(i <- 3.999999999) # "4" is printed
(1:5)[i] # 3
## named atomic vectors, compare "[" and "[[" :
nx <- c(Abc = 123, pi = pi)
nx[1] ; nx["pi"] # keeps names, whereas "[[" does not:
nx[[1]] ; nx[["pi"]]
# }
# NOT RUN {
## recursive indexing into lis... | |
R_base_all/simulation.html8_30_0.txt |
> set.seed(20)
>
> ## Create index vector
> idx <- seq_len(nrow(airquality))
>
> ## Sample from the index vector
> samp <- sample(idx, 6)
> airquality[samp, ]
Ozone Solar.R Wind Temp Month Day
107 NA 64 11.5 79 8 15
120 76 ... | |
R_base_all/R_base_all_150_0.txt | [ RDocumentation ](/)
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[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# forceAndCall: Call a function with Some Arguments Forced
## Description
Call a function wi... | |
R_base_all/weighted-average-excel4_173_0.txt | 53.14%
SAME
65.22%
SAME
84.06%
SAME
48.79%
SAME
66.18%
SAME
24.64%
1 BETTER
28.02%
1 BETTER
7.25%
1 BETTER
48.79%
1 BETTER
26.57%
1 BETTER | |
R_base_all/pandas.Series.str.split.html8_9_0.txt | pat str or compiled regex, optional
| |
R_base_all/weighted-average-excel4_210_0.txt | @Jeff
Does: =SUMPRODUCT((A3:A5)*(B3:B5)*(B3:B5<>""))/SUMPRODUCT((A3:A5)*(B3:B5<>""))
Help?
Reply | |
R_base_all/split-data-frame-string-column-into-multiple-columns0_184_0.txt | * Policy: Generative AI (e.g., ChatGPT) is banned
* The [connect] tag is being burninated |
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